Character Data #2

May 11, 2022May 11, 2022; dwoolbrightdwoolbright; 0 Comments;

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Quiz: Character Data #2

What is the condition code after executing the CLC?

X DC CL6'123456' Y DC CL10'ABCDEFGHIJ' ... CLC X,YDeselect Answer

Eqaual (B'00')

Low (B'01')

High (B'10')

Overflow (B'11)

None

What are the character contents of X after executing MVI?

X DC CL6'123456' ... MVI X,X'C1'Deselect Answer

'1c1234'

'A23456'

'123456'

None of these

None

For SS instructions, the assembler subtracts one from an actual length to produce a length in object code. Why?

Deselect Answer

It saves space in the object code.

So that 0 - 255 represents 1 - 256.

So that the arithmetic works out.

It is required by the machine.

None of these.

None

What is the condition code after executing CLI?

X DC CL6'123456' Y DC CL10'ABCDEFGHIJ' ... CLI X,C'9'Deselect Answer

Equal

Low

High

Overflow

None

What is the condition code after executing the CLC?

X DC CL6'123456' Y DC CL10'ABCDEFGHIJ' ... CLC X,YDeselect Answer

Eqaual (B'00')

Low (B'01')

High (B'10')

Overflow (B'11)

None

What are the character contents of Y after the MVC?

X DC CL6'123456' Y DC CL10'ABCDEFGHIJ' ... MVC Y,XDeselect Answer

'1234561234

'123456GHIJ'

'ABCDEFGHiJ'

'123456ABCD'

None of these

None

What is the condition code after executing CLI?

X DC CL6'123456' ... CLI X,X'40'Deselect Answer

Equal

Low

High

Overflow

None

What are the character contents of X after the MVC?

Assume,

X DC CL6'123456'
Y DC CL10'ABCDEFGHIJ'
...
MVC X,Y

Deselect Answer

'ABCDEF'

'EFGHIJ'

' '

None of these

None

How many characters are in the EBCDIC encoding sequence?

Deselect Answer

100

200

256

4096

None

10.

What are the character contents of X when assembled?

X DC CL8'12345678'
ORG X+1
DC C'ABCD'
ORG X+4
DC C'WXY'
ORG ,Deselect Answer

1ABCDWXY

1ABCW678

1ABCD678

1ABCWXY8

None of These

None

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Time's up

1 thought on “Character Data #2”

melvynmaltz says:

June 18, 2022 at 3:27 pm

Q6 and Q10 need revision

Reply

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Character Data #2

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